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https://gitlab.freedesktop.org/libfprint/libfprint.git
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103 lines
2.8 KiB
Python
103 lines
2.8 KiB
Python
#!/usr/bin/python3
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import traceback
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import sys
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import gi
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gi.require_version('FPrint', '2.0')
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from gi.repository import FPrint, GLib
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# Exit with error on any exception, including those happening in callbacks
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sys.excepthook = lambda *args: (traceback.print_exception(*args), sys.exit(1))
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ctx = GLib.main_context_default()
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c = FPrint.Context()
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c.enumerate()
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devices = c.get_devices()
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assert len(devices) == 1, f"Expected 1 device, got {len(devices)}"
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d = devices[0]
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del devices
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# Verify driver name
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assert d.get_driver() == "validity", f"Expected 'validity', got '{d.get_driver()}'"
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# Verify features detected by auto_initialize_features
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assert not d.has_feature(FPrint.DeviceFeature.CAPTURE)
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assert d.has_feature(FPrint.DeviceFeature.VERIFY)
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assert d.has_feature(FPrint.DeviceFeature.IDENTIFY)
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assert not d.has_feature(FPrint.DeviceFeature.DUPLICATES_CHECK)
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assert d.has_feature(FPrint.DeviceFeature.STORAGE)
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assert d.has_feature(FPrint.DeviceFeature.STORAGE_LIST)
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assert d.has_feature(FPrint.DeviceFeature.STORAGE_DELETE)
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assert d.has_feature(FPrint.DeviceFeature.STORAGE_CLEAR)
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assert d.has_feature(FPrint.DeviceFeature.ALWAYS_ON)
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d.open_sync()
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# 1. Clear storage — ensure the sensor is in a clean state
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print("clearing storage")
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d.clear_storage_sync()
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print("clear done")
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# 2. Enroll a finger
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template = FPrint.Print.new(d)
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def enroll_progress(*args):
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print('enroll progress: ' + str(args))
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print("enrolling")
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assert d.get_finger_status() == FPrint.FingerStatusFlags.NONE
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p = d.enroll_sync(template, None, enroll_progress, None)
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assert d.get_finger_status() == FPrint.FingerStatusFlags.NONE
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print("enroll done")
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# 3. List enrolled prints — should have exactly one
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print("listing")
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stored = d.list_prints_sync()
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print("listing done")
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assert len(stored) == 1
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# 4. Verify against the enrolled print
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print("verifying")
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assert d.get_finger_status() == FPrint.FingerStatusFlags.NONE
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verify_res, verify_print = d.verify_sync(p)
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assert d.get_finger_status() == FPrint.FingerStatusFlags.NONE
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print("verify done")
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del p
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assert verify_res == True
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# 5. Identify (async) with deserialized prints
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identified = False
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def identify_done(dev, res):
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global identified
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identified = True
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identify_match, identify_print = dev.identify_finish(res)
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print('identification done: ', identify_match, identify_print)
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assert identify_match.equal(identify_print)
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deserialized_prints = []
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for p in stored:
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deserialized_prints.append(FPrint.Print.deserialize(p.serialize()))
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assert deserialized_prints[-1].equal(p)
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del stored
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print("async identifying")
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d.identify(deserialized_prints, callback=identify_done)
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del deserialized_prints
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while not identified:
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ctx.iteration(True)
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# 6. Delete the enrolled print
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print("deleting")
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d.delete_print_sync(p)
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print("delete done")
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d.close_sync()
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del d
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del c
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